Partial List of US Patents:

• “System for Local DC Power Distribution”, US Patent No. 10,122,181 B2, granted on Nov. 6, 2018.

• “Apparatus and Method for AC and DC Power Co-Distribution”, US Patent No. 11,183,851, granted on Nov. 23, 2021.

• “DC Power Attachment Device”, US Patent No. 11,476,657, granted on Oct. 18, 2022.

• “AC and Persistent DC Co-distribution”, US Patent No. 11,489,455, granted on Nov. 1, 2022.

• “Apparatus and Architecture of Non-volatile Memory Module in parallel configuration”, US Patent No. 17,094,787, granted on Nov. 15, 2022.

• “Persistent DC Power and Control Switch”, US Patent No. 11,605,970, granted on Mar. 14, 2023.

• “Sequential Power Discharge for Batteries in a Power System”, US Patent No. 11,777,323, granted on Oct. 3, 2023.

• “Persistent DC Circuit Breaker”, US Patent No. 11,831,167, granted on Nov. 28, 2023.

• “Apparatus and Method for Persistent DC Power Panel Conversion”, US Patent No. 11,837,968, granted on Dec. 5, 2023

More US patent applications have been filed. Foreign patent applications in China, Japan, German, and Taiwan are also in processing, where some was granted. The global patent applications and patent portfolio of Entrantech Inc. exceeds 30.